| 单词 | progression |
| 释义 | progression (once / 2309 pages) n A progression is a series that advances in a logical and predictable pattern. In mathematics, for example, the series 2, 4, 6, 8 is an arithmetic progression. If asked to give the next number, most people would reply 10. A movement forward, especially one that advances toward some achievement, is called a progression. When you get your learner's permit, it's a step in the natural progression from child to responsible adult — although you may see it as part of your progression toward freedom. The progression from permit to driver's license includes a few more steps, like highway driving and learning how to parallel park your dad's enormous car. WORD FAMILYprogression: progressions+/progress: progressed, progresses, progressing, progression USAGE EXAMPLESIn both cases pretending happens, and I am interested in that progression from “pretending to be” to “turning into.” The New Yorker(Jan 02, 2017) “The fact we hit all those steppingstones was just a progression of helping the team grow into something bigger,” Qualls said. Seattle Times(Dec 31, 2016) The physician, suspecting an ectopic pregnancy, administered an injection to stop the progression. Washington Times(Dec 30, 2016) 1n the act of moving forward (as toward a goal) Syn|Ant|Hypo|Hyper advance, advancement, forward motion, onward motion, procession, progress retreat the act of withdrawing or going backward (especially to escape something hazardous or unpleasant) push an effort to advance career, life historythe general progression of your working or professional life marcha steady advance clear sailing, easy going, plain sailingeasy unobstructed progress leapfrogadvancing as if in the child's game, by leaping over obstacles or competitors motion, move, movement the act of changing location from one place to another 2n a movement forward Syn|Hypo|Hyper advance, progress head, headway forward movement change of location, travel a movement through space that changes the location of something 3n a series with a definite pattern of advance Syn|Hypo|Hyper patterned advance arithmetic progression (mathematics) a progression in which a constant is added to each term in order to obtain the next term geometric progression(mathematics) a progression in which each term is multiplied by a constant in order to obtain the next term harmonic progression(mathematics) a progression of terms whose reciprocals form an arithmetic progression series similar things placed in order or happening one after another |
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